/*:root {
  --primary-color: #3a3b3d;
  /*#a9a581*/
 /* --secondary-color: #fff;
  --accent-color: #e33729;
  --hover-color: purple;
  /*#d8d3a8*/
  /*--text-color: #000;
  --heading-color: #000;
}*/

:root {
  --primary-color: #026873;      /* Rich, profound teal with depth */
  --secondary-color: #ffffff;    /* Crisp white for clear contrast */
  --accent-color: #c97c5d;       /* Earthy, warm terracotta for grounded energy */
  --hover-color: #e8b298;        /* Soft earthy peach for subtle, inviting interactions */
  --text-color: #2f4858;         /* Dark slate blue-gray maintaining readability */
  --heading-color: #026873;      /* Matching deep teal to unify theme */
}

* {
  transition: all .3s ease;
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 400;
  margin: 0;
  padding: 0;
  color: var(--text-color);
  background-color: var(--secondary-color);
  overflow-y: scroll;
}


p,
h1,
h2,
h3,
h4,
h5,
ul,
li,
span {
  text-size-adjust: none;
  -ms-text-size-adjust: none;
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
}

a {
  color: var(--accent-color);
  /*removes underline*/
  /*text-decoration: none;*/
}

a:hover {
  /*add hover effect*/
  color: var(--hover-color);
}

strong {
  color: var(--accent-color);
}

table {
  table-layout: fixed;
  /*doe snot seem to work unfortunately - I would want the width of the columns to remain constant*/
  margin-left: auto;
  margin-right: auto;
}

td, th {
  padding-top: 0.6%;
  padding-right: 1%;
  padding-bottom: 1%;
  padding-left: 0.6%;
  vertical-align: top;
}


.abstract {
  text-align: justify;
  color: grey;
  font-style: italic;
  max-width: 720px;
  overflow: hidden;
}

.talkTitle {
  cursor: pointer;
}

.talkTitle:hover {
  color: var(--hover-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.two-column-layout {
  display: flex;
  gap: 60px;
  margin: 40px 0;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.two-column-layout .column {
  flex: 1;
  min-width: 0;
}

.two-column-layout .container {
  max-width: none;
  padding: 0;
}

header {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  width: 100%;
}

.profile-photo {
  margin-right: 20px;
}

.profile-photo img {
  border-radius: 50%;
  width: 100px;
  height: 100px;
}

header h1 {
  font-family: 'Roboto Slab', serif;
  font-weight: 700;
  font-size: 2.3em;
  line-height: 1.2;
  letter-spacing: 1px;
  margin: 0;
}

header h2 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.125em;
  line-height: 1.2em;
  font-weight: 200;
  margin: 0;
  letter-spacing: 0.5px;
}

nav {
  background-color: var(--primary-color);
  padding: 0;
  box-shadow: none;
  border-bottom: none;
  width: 100%;
}

#menu-toggle {
  display: none;
}

nav label {
  display: none;
}

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 15px 0;
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  margin-left: calc(50% - 700px);
}

@media (max-width: 1400px) {
  nav ul {
    margin-left: 20px;
  }
}

nav a {
  color: var(--secondary-color);
  text-decoration: none;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.2em;
  font-weight: 600;
  letter-spacing: 0.9px;
}

nav a:hover {
  color: var(--hover-color);
}

main {
  margin: 20px 40px;
  min-height: calc(100vh - 430px);
  box-shadow: none;
}

section {
  margin: 15px 0;
  box-shadow: none;
}

section h2 {
  font-family: 'Roboto Slab', serif;
  font-size: 2.2em;
  font-weight: 700;
  color: var(--primary-color);
  margin: 40px 0 30px 0;
  letter-spacing: 0.5px;
}

section h3 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 20px;
  margin-bottom: 5px;
  padding-bottom: 5px;
  color: var(--heading-color);
}

section ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

section li {
  margin: 2px 0;
  display: flex;
  align-items: baseline;
}

#seminar-list>li {
  margin: 20px 0;
}

footer {
  background-color: var(--primary-color);
  /* mix-blend-mode: luminosity; */
  color: white;
  padding: 20px;
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 200;
  font-size: 0.8em;
}

header>.container>div {
  margin: auto 0;
}

.logos {
  display: flex;
}

footer img, header img {
  margin: 0;
  height: 50px;
  width: fit-content;
  -webkit-filter: grayscale(1) invert(100%);
  filter: grayscale(1) invert(100%);
  mix-blend-mode: screen;
}

header img {
  margin-left: 30px;
}

footer p {
  margin: 10px 0 0 0;
}

#about>.container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}

#about .section-column:first-child {
  flex: 0.35;
  min-width: 250px;
}

#about .section-column:first-child img {
  width: 100%;
  height: auto;
  max-width: 250px;
  max-height: 350px;
  object-fit: cover;
  border-radius: 8px;
}

#about .section-column:nth-child(2) {
  flex: 0.65;
  min-width: 300px;
}

#about h1 {
  font-size: 2.2em;
  margin: 0 0 8px 0;
}

#about h2 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.5em;
}

#about p {
  margin: 0 0 12px 0;
  font-size: 1em;
}

.text-center {
  text-align: center;
}

.section-column {
  flex: 1;
  min-width: 200px;
}

.date {
  font-family: 'Source Sans 3', sans-serif;
  /* font-size: 18px; */
  font-weight: 700;
  margin-right: 10px;
  min-width: 100px;
  color: var(--primary-color);
}



.date-one {
  font-family: 'Source Sans 3', sans-serif;
  /* font-size: 18px; */
  font-weight: 700;
  margin-right: 10px;
  min-width: 50px;
  color: var(--primary-color);
}

.place {
  font-weight: bold;
  color: var(--accent-color);
}

section p {
  margin: 0;
  font-size: 0.95em;
}

.buttons {
  display: flex;
  justify-content: center;
  margin: 20px 0;
  gap: 20px;
}

.button {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--accent-color);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: var(--hover-color);
}

.email-button {
  background-color: white;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: 4px;
  padding: 8px 15px;
  font-size: 0.95em;
  font-weight: normal;
  cursor: pointer;
  transition: all 0.3s ease;
}

.email-button:hover {
  background-color: #f5f5f5;
  transform: translateY(-2px);
}

nav .button {
  height: 17.2px;
  margin: 5px 0;
}

#iframe-publications {
  width: 100%;
  border: none;
  overflow: hidden;
}

.Rublique {
  color: var(--accent-color);
}


/* CSS FOR MOBILE DEVICES */

@media (max-width: 860px) {
  header {
    font-size: 0.8em;
  }

  nav ul {
    flex-direction: column;
    gap: 5px;
  }

  nav label {
    display: flex;
  }

  #menu {
    max-height: 0;
    overflow: hidden;
  }

  #menu-toggle:checked+#menu {
    max-height: 190px;
    margin-top: 20px;
  }
}

@media (max-width: 740px) {
  header img:first-of-type {
    display: none;
  }
}

@media (max-width: 580px) {
  header img {
    display: none;
  }
}

@media (max-width: 480px) {
  header {
    font-size: 0.7em;
  }

  .container {
    flex-direction: column;
  }

  #about .section-column:first-child img {
    height: 80vw;
  }

  footer>.container {
    gap: 2px;
  }

  header img {
    display: none;
  }
}

@media (max-width: 380px) {
  header {
    font-size: 0.6em;
  }
  
  #seminar-list>li {
    flex-direction: column;
  }
}

.profile-image {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #f0f0f0;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.social-links {
  margin-top: 15px;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.social-links a {
  padding: 8px 15px;
  font-size: 0.95em;
  background-color: white;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: normal;
}

.social-links a:hover {
  background-color: #f5f5f5;
  transform: translateY(-2px);
}

.publications-list {
  margin-top: 20px;
}

.publication-item, .article-item {
  margin-bottom: 20px;
  padding: 25px;
  background-color: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
  cursor: pointer;
  border-left: 4px solid var(--accent-color);
  position: relative;
}

.publication-item a, .article-item a {
  text-decoration: none;
  color: inherit;
}

.publication-item:hover, .article-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  background-color: #f5f5f5;
  border-left: 4px solid var(--hover-color);
}

.publication-item h2, .talk-item h2, .contact-method h2 {
  color: var(--primary-color);
  margin-top: 0;
}

.publication-item h3, .article-item h3 {
  color: var(--heading-color);
  margin: 0 0 15px 0;
}

.publication-item:hover h3, .article-item:hover h3 {
  color: var(--hover-color);
}

.publication-item .venue, .article-item .venue {
  font-style: italic;
  color: var(--accent-color);
  margin: 0 0 15px 0;
}

.publication-item p, .article-item p {
  margin: 0;
  line-height: 1.6;
}

.publication-item:last-child, .article-item:last-child {
  margin-bottom: 0;
}

/* Research Topics */
.research-topics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.research-topic {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.research-topic h2 {
  color: var(--accent-color);
  margin-top: 0;
}

.research-topic ul {
  margin-left: 20px;
}

/* Talks */
.talks-list {
  margin-top: 30px;
}

.talk-item {
  margin-bottom: 40px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.talk-item h2 {
  margin-top: 0;
  color: var(--accent-color);
  font-size: 1.2em;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.talk-item h2 span {
  display: block;
  width: 100%;
}

.upcoming-badge {
  background-color: var(--accent-color);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8em;
  font-weight: 600;
  animation: pulse 2s infinite;
  display: block;
  width: fit-content;
  cursor: default;
  text-decoration: none;
  border: none;
  box-shadow: none;
  margin-top: 4px;
}

.upcoming-badge:hover {
  transform: none;
  background-color: var(--accent-color);
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
  100% {
    opacity: 1;
  }
}

.talk-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin: 10px 0;
  font-size: 0.9em;
}

.talk-meta .venue {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.1em;
  margin-right: 20px;
}

.talk-meta .date {
  color: #666;
}

.talk-meta .location {
  color: #666;
}

.talk-meta .type {
  color: #666;
  font-style: italic;
}

.talk-links {
  margin-top: 15px;
  display: flex;
  gap: 10px;
}

.talk-description {
  margin-top: 15px;
}

/* Publications */
.publications-list {
  margin-top: 30px;
}

.publication-item h2 {
  margin-top: 0;
  color: var(--accent-color);
}

.publication-links {
  margin: 15px 0;
}

.publication-links .button {
  margin-right: 10px;
}

.abstract {
  margin-top: 15px;
  font-style: italic;
}

/* Buttons and Links */
.view-more {
  margin-top: 20px;
  text-align: center;
}

/* Contact Info */
.contact-info {
  margin-top: 20px;
}

.contact-details {
  margin-top: 20px;
}

.contact-details p {
  margin: 10px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .research-topics {
    grid-template-columns: 1fr;
  }
  
  .section-column {
    flex: 1 1 100%;
  }
  
  .profile-image {
    width: 200px;
    height: 200px;
  }

  .two-column-layout {
    flex-direction: column;
    gap: 20px;
  }
  
  .two-column-layout .column {
    width: 100%;
  }

  #about .section-column:first-child {
    flex: 1;
    text-align: center;
  }
  
  #about .section-column:first-child img {
    max-width: 200px;
    max-height: 200px;
  }
  
  #about .section-column:nth-child(2) {
    flex: 1;
  }
}

/* Contact Methods */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.contact-method {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.contact-method h2 {
  color: var(--accent-color);
  margin-top: 0;
}

.email-display {
  font-family: monospace;
  font-size: 1.1em;
  margin: 15px 0;
  padding: 10px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  display: inline-block;
}

.email-part {
  color: #333;
}

.email-separator {
  color: #666;
}

/* Copy Button */
.button.copy-button {
  margin-top: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.button.copy-button:hover {
  background-color: var(--hover-color);
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.article-item .venue {
  color: var(--accent-color);
  font-size: 0.9em;
  margin: 0 0 10px 0;
  font-style: italic;
}

.article-item p {
  margin: 0;
  font-size: 0.95em;
  line-height: 1.5;
  color: var(--text-color);
}

@media (max-width: 768px) {
  .article-item {
    padding: 15px;
  }
}

.teaching-list {
  margin-top: 30px;
}

.teaching-item {
  margin-bottom: 40px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.teaching-item h3 {
  margin-top: 0;
  color: var(--heading-color);
  font-size: 1.2em;
}

.teaching-item .venue {
  color: var(--accent-color);
  font-size: 0.9em;
  margin: 0 0 10px 0;
  font-style: italic;
}

.teaching-item .venue a {
  color: var(--accent-color);
  text-decoration: none;
}

.teaching-item .venue a:hover {
  color: var(--hover-color);
}

.teaching-item .details {
  margin-top: 10px;
  color: var(--text-color);
}

@media (max-width: 768px) {
  .teaching-item {
    padding: 15px;
  }
}

/* Make h1 larger on non-index pages */
body:not(#index) h1 {
  font-size: 3em;
  margin-bottom: 20px;
}

.publication-item h2 {
  color: var(--primary-color);
  margin-top: 0;
}

.publication-links .button {
  background-color: var(--accent-color);
  color: white;
  text-decoration: none;
  padding: 8px 15px;
  border-radius: 4px;
  font-size: 0.9em;
  margin-right: 10px;
  transition: all 0.3s ease;
}

.publication-links .button:hover {
  background-color: var(--hover-color);
  color: white;
}